Questions tagged [hdmi]

HDMI stands for High Definition Multimedia Interface. Along with the Composite RCA, HDMI is one of the devices' two video outputs. It provides high quality digital video.

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22 views

Getting 2560x1600 resolution from RPi 4B on HP LP3065 monitor

I have a HP LP3065 workstation monitor which is 10+ years old and it only has 3 DVI-D Dual-link inputs. You can see its specs here. It can only work in native resolution 2560x1600 or quarter ...
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27 views

Change resolution on LS055R1SX03 2k screen

I bought the HDMI to MIPI LS055R1SX03 5.5 inch 2k IPS LCD module 2560*1440 from Aliexpress, Plugged it, and used a configuration found on the internet to be able to see any image. Surprisingly it ...
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How do you make the HDMI hot-pluggable on a Pi?

We have a Pi3 connected to a TV on a remote worksite. Sometimes, the remote site has a power outage, and when power is restored, the TV and Pi get power at the same time. The problem is that the TV ...
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45 views

raspberry 4 goes black after setting the resolution to 4k

My Raspberry Pi 4 was working fine but as I was using it on a 21:9 3840x1440 screen I decided to set that resolution for the raspberry as well. However, very quickly after it went totally black and my ...
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Raspbgerry pi 4 HDMI works on TV but not on monitor

My pi 4 outputs as normal to my TV but when connected to an HP2311 monitor there is no display. I have tried the usual config.txt tricks i.e. hdmi_force_hotplug=1 hdmi_drive=2 hdmi_safe=1 ...
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15 views

Use HDMI if present, otherwise TRRS

I sometimes use my Raspberry Pi OSMC install on an HDMI TV and sometimes on an older set with composite video phonos. there are many posts about disbling teh HMDI output. Having just read the ...
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HDMI No signal on one tv but signal fine on another

I am using a pi zero w. I have used it on two TV's to date. It's been a month or so since I last used it and now it works on only one of the TV's. This wouldn't be a problem but I am giving this to ...
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45 views

HDMI display rotated, but not X keeps landscape aspect ratio

PI 4 I've added display_hdmi_rotate=1 to /boot/config.txt and the display rotates. I've also tried =3 with the same results described below. During boot the Raspberry Pi Desktop welcome splash is ...
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25 views

Launch GUI on specific monitor on Raspberry Pi 4?

How can I open a GUI application through the command line on a specific monitor? If I run xrandr my output is as follows: Screen 0: minimum 320 x 200, current 2192 x 1080, maximum 7680 x 7680 HDMI-1 ...
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27 views

Using RasPi as WiFi

I have a projector installed at my ceiling. I cannot easily run a cable from the projector to my computer. Therefore I'd like to be able to stream movies to the projector using the raspi, while still ...
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Full KMS causes blank screen on Pi 3 Compute Module

I am currently using a Pi CM3 on a custom PCB. The board boots fine with a desktop using fake KMS, but when using full KMS, no image is present. Boot image appears but once at desktop there is no ...
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36 views

Why is my input source not changing when I send the <Active Source> message via CEC-Client?

Problem/Question When I use CEC-Client to send the active source command to switch the TV input to a particular source, nothing happens. What am I doing wrong? Environment I have a Raspberry Pi 4 ...
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197 views

Is there a way to enable VSYNC on RPI4?

I am using Raspbian Buster with default LXDE/Openbox configuration. Screen tearing when moving windows around or watching videos is very noticeable. Is there a way to enable VSYNC on RPI4 using HDMI?
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Does the Raspberry Pi 4 support HDCP?

I could not find a definitive answer anywhere in the specs or on the web. I am looking for a device that will allow me to play Amazon Movies (and those of other platforms) in 4K. Thank you!
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HDMI man in the middle

I want to build a screen grabber that sits between HDMI devices - like a television - to capture screenshot and send to a server every interval. Before I buy hardware I do not need, can it be dome ...
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1answer
121 views

HDMI Audio not working with Raspberry 3 B and Raspbian Buster

Volume control says "No volume control on this device" When trying to force output to 3.5 or HDMI in raspi-config, it fails with error "There was an error running option..." When running update in ...
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Turning on/off specific HDMI port on Pi 4

According to the docs, vcgencmd now can specify which hdmi port as a second argument for raspberry pi 4, so I did sudo apt update then sudo apt upgrade but vcgencmd display_power 0 7 returns error=2 ...
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58 views

(Pi4) No Display when in OTG mode unless HDMI_safe=1

Im officially stumped. I have connected my Pi4 to my PC via USB to USB-C for OTG connection. Whenever I boot with the normal PSU to the USB-C port on the Pi4, everything boots correctly (display and ...
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0answers
42 views

How to split a display into many and access all the screen

I'm trying to split the screen in raspberry-pi. and access each screen for each display I want the multiple layer in a single screen. Eg. my output screen resolution is 1024x720 in that i have to ...
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1answer
30 views

How do I list the supported resolutions of my HDMI display/monitor?

How do I list the supported resolutions of my HDMI display/monitor? On the raspberrypi website, there is a complete list of modes supported by raspberrypi but it does not list only the ones supported ...
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2answers
72 views

how to setup and mirror two visual screen (a) touch 3.5 touch screen in general 40 pin connector and (b) hdmi 1 over TV?

I have new 4GB Rasberry Pi 4. I would like to mirror a touch screen,3.5 inch TFT LCD over 40 point connector and HDMI 1 over TV. I could not connect both and mirror together. Sorry I new to Rasberry ...
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Raspberry Pi goes blank after 10 mins or so, until the resolution is changed. and repeats

so I just got a really cheap and free desktop monitor from work, that's like 1280x1024 resolution. Now when I first connected the pi to the monitor it failed to boot at all... which was weird, but ...
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1answer
119 views

Video playback on Raspberry Pi 3

I have a raspberry pi 3 connected to one of my TV's HDMI inputs. I've installed VLC, but videos won't play. The image will hang and the audio will continue to play in the background. Regardless of ...
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1answer
126 views

Raspberry Pi 4 touchscreen misbehaving when using a secondary monitor

First of all I recorded a video on the phenomenon, this might be more descriptive than my words: video of the problem I have a project in which I have to use two displays: one that is the 7 inch ...
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1answer
58 views

No HDMI after retropie restart, every time, multiple micro sd cards?

So I install the latest image of retropie, and boot it up on my rpi3. Plug it into my hdmi arcade cab, connect to wifi, add games from pc via wifi, force audio to 3.5 or I'd have no sound, restart, ...
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153 views

Raspberry Pi 4 drops hdmi connection for a second at boot tv reconnects, drops signal again after playing any type of video

I've been having a terrible experience with my raspberry pi 4 4G, with regards to a strange problem that's occurring. I am currently running NOOBS with raspbian/libreelec, and everytime after entering ...
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243 views

What does amixer cset numid=3 3 do?

In order to solve missing audio via HDMI with Raspberry Pi 4B (Raspian Buster) I came across amixer cset numid=3 2 which didn't do the trick for me. But randomly I checked numbers from 0 to 4 and ...
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232 views

Raspberry Pi 4: Console on first HDMI screen, X11 on second HDMI screen

The new Pi 4 has two HDMI Ports. After booting Raspbian, the first screen (HDMI-0) should display the console and the second screen (HDMI-1) should display the X11 desktop. My first thought was ...
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74 views

Display rotate not working in Raspberry Pi 64 bit

I can boot with a 64bit OS on a Raspberry PI 3, but when I change display_rotate (config.txt) to 3 (270 degrees), it stuck on the 4-colour initial screen. The funny thing is that when I use a 32bit OS ...
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29 views

How to display live data and video on the pi's hdmi out port?

For a project I'm working on, I need to be able to display live data (as numbers, text etc.) and a video stream (from the pi's camera) directly to the pi's hdmi output. I know it is possible to do ...
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34 views

LCD screen not working with Raspberry Pi 3B+

I've got Raspberry Pi 3B+ and this screen and I tried to plug it up, but it's not working. OS configurations I tried: just Raspbian Waveshare drivers on same Raspbian some random drivers on same ...
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37 views

Raspberri Pi unreachable

I am totally new to the forum, linux and Rasperry Pi, which is not the best baseline, I know. I bought some Raspberry's (4B) and made two bootable SD cards. I don't like the interface of Raspbian, so ...
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673 views

How to change screen brightness on Raspberry pi 4?

Hi raspberry PI geeks! I install Raspbian OS, and connected HDMI monitor to one of micro hdmi ports on raspberry pi 4. Question - how to change brightness of a screen? I try xrandr: 1) See 2 hdmi: ...
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79 views

TVService status states bitshifting

I'm trying to write a parser for a program on the Raspberry Pi. My goal is to detect whether or not an HDMI cable is plugged into the raspberry pi, and I have settled on using /opt/vc/bin/tvservice. ...
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97 views

Dual screen: same monitor, different resolutions

I have two identical screens (2 cheap b07k32m4lj) https://www.amazon.it/Longruner-Monitor-Display-800x480-Raspberry/dp/B07K32M4LJ i'm trying to set them up to be both 1280x720 and show the same ...
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665 views

Raspberry Pi 4 - Dual Audio with Dual HDMI

I have a Raspberry Pi 4. The thing is, I want to play 2 videos at the same time, since the RPi-4 has 2 HDMI outputs. BUT I also want to have split audio. The audio from video 1 should go out over the ...
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1answer
39 views

Wifi disabled after reconfiguring HDMI

I am using a Raspberry Pi 3 A+ with Raspbian Stretch (updated/upgraded about a month ago), connected to a Manga Screen 2: http://wiki.thing-printer.com/index.php?title=Manga_Screen_2 I have used this ...
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1answer
888 views

Raspberry Pi 4 not turning off HDMI monitor on idle

In the past, the Raspberry Pi computers could be made to turn off the monitor (as opposed to leaving the backlight on with a blank screen) when the Pi turned the screen off on inactivity. This could ...
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431 views

Raspberry Pi 4 Installed screen drivers but disabled my hdmi

I bought a touchscreen and installed the drivers for it, but now my hdmi doesn't work. I am currently running Raspbian on Raspberry Pi 4 model B.And I have a 3.5 inch tft screen.I do not no what ...
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450 views

How can I get my new Raspberry Pi 4B to output 1080i video

I finally got into the Pi world with a model 4B. I've updated it to Raspian/Buster and have the network working (wireless and wired - but just using wireless right now). I'm running it using VNC-...
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Raspberry Pi 4B no video

I just bought two raspberry 4s (1Gb and 2Gb of RAM) and am unable to get the slightest video signal out of them. I tried every combination of the following components: Raspbian buster lite/desktop 5V ...
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2answers
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How to extend an HDMI port of raspberry Pi

I am using raspberry pi as part of a project. Raspberry pi will be placed inside my hardware.It has a closed container. Because of the placing of other components, I can't move the position of the ...
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239 views

Minecraft Forge 1.12.2 fails to launch with HDMI television

So minecraft was working properly until I Tried to install forge. Here is the error message/log/crash report ---- Minecraft Crash Report ---- // Don't do that. Time: 7/13/19 10:48 PM Description: ...
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VLC with the 10.1 inch Seeed display will cut off videos in both windows and fullscreen mode

I'm currently running VLC on the latest version of raspbian, on a Raspberry Pi 3 model B+. I have a Seeed 10.1 inch IPS display connected to it via HDMI. To get the Seeed working correctly, I ...
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4answers
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RPI3B+: What are the four components below the HDMI connector called?

I am trying to get the following RPI3B+ to work. Apparently the machine is booting ok, since I can see it using nmap on my local network: # nmap 192.168.0.23 Starting Nmap 7.70 ( https://nmap.org ) ...
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1answer
173 views

Put HDMI monitor in Sleep Mode

I have a raspberry pi running Debian. I want to set up a cron script so that the screen automatically goes into sleep mode (no power) at a given time and goes out at another time. The built-in ...
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1answer
325 views

Rpi4 - double HDMI functionality

What is the rational ( or what are the advantages ) of having a double HDMI port on the Raspberri Pi 4. Since the Pi is new, I did not find any info around and still did not tested myself- but What ...
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126 views

New Pi Model 4 hangs at most boots

Greatings all Pi eaters! Got the latest Pi "Raspbian Buster full" on a 16 gig SD card but it hangs apx 50% of the time at boot right after log messages disappear. One monitor has a valid HDMI signal ...
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153 views

HDMI power circuit on the Raspberry Pi 4

The previous models of the Raspberry Pi used different circuits to connect its 5 V power rail to the HDMI connector, i.e. How much current can I draw from each model's HDMI socket? Especially the ...
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89 views

waveshare 7" LCD H : uses & reports wrong HDMI resolution

I recently got a Waveshare 7" LCD (H) with 3B+, running Raspbian updated to buster (uname -a says Linux rpi33 4.19.42-v7+ #1219 SMP Tue May 14 21:20:58 BST 2019 armv7l GNU/Linux) I set config.txt ...